OpenTechnical

OT-2026-000029151

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000029151) never changes.

Identity and time

Publication numberOT-2026-000029151 · never reused
Internal UUID01a0ae73-2aa0-7d5b-b336-5a826fe17766 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029151
StatusPUBLIC

Content hashes

Canonical text1a92c25201850b24d74307222e04caf5eb9deabd4bc55ab590218700e1de39ef
Markdown4c2f5f7d62f0de2dc3a2c834ec8b057ea8ee09db14413fd8815498c2e78b1985
PDF
Publication page68c765c4da59585a49ae1145efc9806e99c7e087236c6a0c2ed248d20b643a29
Manifeste405f7bd551f103b97f3a1aa62b8e264f3c2a4d8a0fa810e5c10820577dc14da

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureXxf9X0Ix2LWPO7tjJl0OGEbqKLtPJ0PGl8aggSMB8y1ybltNLj9cIJCbUcSIX29rPW3lE5XoisoVYm9gAvtnCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:39:38.083111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029151
observed 68c765c4da59585a49ae1145efc9806e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.066134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029151/manifest.json
observed e405f7bd551f103b97f3a1aa62b8e264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.048084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029151/publication.md
observed 4c2f5f7d62f0de2dc3a2c834ec8b057e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:38.024312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029151/publication.txt
observed 1a92c25201850b24d74307222e04caf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.